28504020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11587}}^1$

素因数の和:11640

約数の個数: 48

約数和(自身を含む): 81764928

約数和(自身を除く): 53260908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 11587, 23174, 34761, 46348, 57935, 69522, 115870, 139044, 173805, 231740, 347610, 475067, 695220, 950134, 1425201, 1900268, 2375335, 2850402, 4750670, 5700804, 7126005, 9501340, 14252010, 28504020]

約数ペア:

[(1, 28504020), (2, 14252010), (3, 9501340), (4, 7126005), (5, 5700804), (6, 4750670), (10, 2850402), (12, 2375335), (15, 1900268), (20, 1425201), (30, 950134), (41, 695220), (60, 475067), (82, 347610), (123, 231740), (164, 173805), (205, 139044), (246, 115870), (410, 69522), (492, 57935), (615, 46348), (820, 34761), (1230, 23174), (2460, 11587)]